/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Foyl Learn — Canonical platform nav One source of truth for the top nav on every foyl-learn page EXCEPT Pattern B tool pages (tools use #topbar for tool functionality). Linked at the END of (after each page's inline